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Stiind ca A={x € Z/6 supra x € Z} si B={x € Z/-3 < sau egal decat x< 2} aflati A intersectat cu B.

Răspuns :

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Vezi imaginea CRISANEMANUEL
[tex]\frac{6}{x}\in\mathbb{Z}\Rightarrow x\mid6[/tex]
[tex]x\in\{1,2,3,6,-1,-2,-3,-6\}[/tex]
[tex]A=\{1,2,3,6,-1,-2,-3,-6\}[/tex]
[tex]-3\leq x<2\Rightarrow x\in\{-3,-2,-1,0,1\}[/tex]
[tex]B=\{-3,-2,-1,0,1\}[/tex]
[tex]\boxed{A\cap B=\{1,-1,-2,-3\}}[/tex]